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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_clk_tree_rc_fast_d256_get_freq_hz()

esp_clk_tree_rc_fast_d256_get_freq_hz() function

Get frequency of RC_FAST_D256_CLK

Syntax

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Summary

Declaration

Definition

from esp_clk_tree_common.h:26

uint32_t esp_clk_tree_rc_fast_d256_get_freq_hz(esp_clk_tree_src_freq_precision_t precision);

Implemented in esp_clk_tree_common.c:78

Arguments

Argument

Description

precision

Degree of precision of the returned frequency value, one of esp_clk_tree_src_freq_precision_t values

Return value

RC_FAST_D256 clock frequency, in Hz. Returns 0 if degree of precision is invalid or calibration failed.

References

Code

Location

Referrer

uint32_t esp_clk_tree_rc_fast_d256_get_freq_hz(esp_clk_tree_src_freq_precision_t precision)

esp_clk_tree_common.c:78

uint32_t esp_clk_tree_rc_fast_d256_get_freq_hz(esp_clk_tree_src_freq_precision_t precision);

esp_clk_tree_common.h:26

clk_src_freq = esp_clk_tree_rc_fast_d256_get_freq_hz(precision);

esp_clk_tree.c:52

esp_clk_tree_src_get_freq_hz()

return esp_clk_tree_rc_fast_d256_get_freq_hz(precision) << 8;

esp_clk_tree_common.c:160

esp_clk_tree_rc_fast_get_freq_hz()

Call Tree

esp_clk_tree_rc_fast_d256_get_freq_hz() is called by 2 functions and calls 2 functions:

esp_clk_tree_rc_fast_get_freq_hz()

esp_clk_tree_src_get_freq_hz()

esp_clk_tree_rc_fast_d256_get_freq_hz()

rtc_clk_cal()

rtc_clk_freq_cal()

Data Use

esp_clk_tree_rc_fast_d256_get_freq_hz() reads 6 variables and writes 1 variable:

rtc_cal_sel_t::RTC_CAL_8MD256

esp_clk_tree_src_freq_precision_t::ESP_CLK_TREE_SRC_FREQ_PRECISION_CACHED

esp_clk_tree_src_freq_precision_t::ESP_CLK_TREE_SRC_FREQ_PRECISION_APPROX

esp_clk_tree_src_freq_precision_t::ESP_CLK_TREE_SRC_FREQ_PRECISION_EXACT

esp_clk_tree_calibrated_freq_t::rc_fast_d256

s_calibrated_freq

esp_clk_tree_rc_fast_d256_get_freq_hz()

esp_clk_tree_calibrated_freq_t::rc_fast_d256

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